After be immersed Android Gingerbread, it turns out Android 4.0 or Ice Cream Sandwich (ICS) was able to walk on Kindle Fire. Although not yet worked perfectly, this fact has been proved Kindle Fire ready to use ICS.
Android 4.0 run well into Kindle Fire
ICS trials in the Kindle Fire is done several members of the XDA Developers forum. But its not complete and are less responsive to the touch, not like Ice Cream Sandwiches on most tablets.
At least, it is a first step to modify Fire Kindle could dismantle the operating system "special" used in the tablet and replace it with the latest version of Android.
Amazon Kindle equip the Fire Tablet with Android operating system that has been specifically flatten them. However, it turns out there who managed to port Android to the standard version of this Amazon tablet.